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Will future humans use warp drives to explore the cosmos? We're in no position to eliminate the possibility. But if our distant descendants ever do, it won't involve
It begins with understanding how warp drives might work, and for that, we have to delve deeply into physics. "Other issues with the warp drive metric include the potential for closed time-like curves and, from a more practical perspective, the difficulties for those in the ship in controlling and deactivating the bubble," the authors
Though instability is a prime obstacle to warp drives, it's also what could make them detectable. If an Alcubierre Drive achieves a constant velocity, it's not detectable. It generates no gravitational waves and has no ADM mass. ADM stands for Arnowitt–Deser—Misner, named for three physicists. I'll leave it to curious readers to read more about
In their formulations, the nature of the ship itself isn't important. Only the warp bubble and the warp fluid inside are significant. "Proposals for higher frequency detectors have been made, so in the future, one may be able to put bounds on the existence of such signals," they. The ship itself could also send some type of multimessenger signal, but it's difficult to know how the ship's matter would interact with regular matter.
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